The ring data structure of each xHCI endpoint might stop sending
data due to the virt endpoint state.
Show the virt endpoint state within the endpoint context via debugfs
to facilitate debugging.
Co-developed-by: Xu Rao <raoxu@xxxxxxxxxxxxx>
Signed-off-by: Xu Rao <raoxu@xxxxxxxxxxxxx>
Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx>
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